YOU SAID:
If I get my driver's license I will be so happy
INTO JAPANESE
私は私の運転免許証を取得する場合、私は幸せになります。
BACK INTO ENGLISH
I was happy when I get my driver's license.
INTO JAPANESE
私は私の運転免許証を得るとき、私は幸せだった。
BACK INTO ENGLISH
I was happy when I get my driver's license.
You've done this before, haven't you.